Warning: Permanently added '10.128.1.33' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 29.063521][ T6531] cgroup: Unknown subsys name 'net' [ 29.215280][ T6531] cgroup: Unknown subsys name 'cpuset' [ 29.217193][ T6531] cgroup: Unknown subsys name 'rlimit' [ 29.328677][ T6531] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 35.396457][ T6537] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 35.652976][ T6564] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 35.654086][ T6564] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 35.654293][ T6564] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 35.654643][ T6564] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 35.654837][ T6564] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 35.733620][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.735487][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.743241][ T2617] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.743270][ T2617] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 36.121217][ T6585] chnl_net:caif_netlink_parms(): no params data found [ 36.141643][ T6585] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.141686][ T6585] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.141743][ T6585] bridge_slave_0: entered allmulticast mode [ 36.142174][ T6585] bridge_slave_0: entered promiscuous mode [ 36.142964][ T6585] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.142980][ T6585] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.143020][ T6585] bridge_slave_1: entered allmulticast mode [ 36.143385][ T6585] bridge_slave_1: entered promiscuous mode [ 36.152566][ T6585] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 36.153361][ T6585] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 36.159977][ T6585] team0: Port device team_slave_0 added [ 36.160619][ T6585] team0: Port device team_slave_1 added [ 36.185244][ T6585] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 36.185275][ T6585] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 36.185349][ T6585] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 36.186116][ T6585] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 36.186124][ T6585] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 36.186134][ T6585] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 36.203779][ T6585] hsr_slave_0: entered promiscuous mode [ 36.204221][ T6585] hsr_slave_1: entered promiscuous mode [ 36.324535][ T6585] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 36.332181][ T6585] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 36.335028][ T6585] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 36.337256][ T6585] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 36.346945][ T6585] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.346987][ T6585] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.347196][ T6585] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.347220][ T6585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.360294][ T6585] 8021q: adding VLAN 0 to HW filter on device bond0 [ 36.364486][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.366193][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.369995][ T6585] 8021q: adding VLAN 0 to HW filter on device team0 [ 36.372220][ T2617] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.372274][ T2617] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.376131][ T2617] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.376151][ T2617] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.499633][ T6585] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.508734][ T6585] veth0_vlan: entered promiscuous mode [ 36.510177][ T6585] veth1_vlan: entered promiscuous mode [ 36.517328][ T6585] veth0_macvtap: entered promiscuous mode [ 36.518243][ T6585] veth1_macvtap: entered promiscuous mode [ 36.521317][ T6585] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.528952][ T6585] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.530867][ T14] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.532415][ T14] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.540803][ T14] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.540848][ T14] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.958489][ T2071] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.008690][ T2071] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.057802][ T2071] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.099141][ T2071] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:37 executed programs: 0 [ 37.351346][ T6564] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 37.353014][ T6564] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 37.354049][ T6564] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 37.354482][ T6564] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 37.354671][ T6564] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 37.402507][ T6637] chnl_net:caif_netlink_parms(): no params data found [ 37.422030][ T6637] bridge0: port 1(bridge_slave_0) entered blocking state [ 37.422105][ T6637] bridge0: port 1(bridge_slave_0) entered disabled state [ 37.422448][ T6637] bridge_slave_0: entered allmulticast mode [ 37.422871][ T6637] bridge_slave_0: entered promiscuous mode [ 37.424247][ T6637] bridge0: port 2(bridge_slave_1) entered blocking state [ 37.424523][ T6637] bridge0: port 2(bridge_slave_1) entered disabled state [ 37.424593][ T6637] bridge_slave_1: entered allmulticast mode [ 37.425003][ T6637] bridge_slave_1: entered promiscuous mode [ 37.439079][ T6637] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.440010][ T6637] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.447059][ T6637] team0: Port device team_slave_0 added [ 37.447754][ T6637] team0: Port device team_slave_1 added [ 37.454766][ T6637] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.454786][ T6637] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.454802][ T6637] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.455335][ T6637] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.455342][ T6637] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.455352][ T6637] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.471969][ T6637] hsr_slave_0: entered promiscuous mode [ 37.472262][ T6637] hsr_slave_1: entered promiscuous mode [ 37.472468][ T6637] debugfs: 'hsr0' already exists in 'hsr' [ 37.472520][ T6637] Cannot create hsr debugfs directory [ 39.384017][ T6564] Bluetooth: hci0: command tx timeout [ 40.030398][ T2071] bridge_slave_1: left allmulticast mode [ 40.030448][ T2071] bridge_slave_1: left promiscuous mode [ 40.030725][ T2071] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.034919][ T2071] bridge_slave_0: left allmulticast mode [ 40.034938][ T2071] bridge_slave_0: left promiscuous mode [ 40.035002][ T2071] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.159778][ T2071] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 40.195474][ T2071] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 40.214469][ T2071] bond0 (unregistering): Released all slaves [ 40.316264][ T2071] hsr_slave_0: left promiscuous mode [ 40.317303][ T2071] hsr_slave_1: left promiscuous mode [ 40.317920][ T2071] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 40.317937][ T2071] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 40.320671][ T2071] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 40.321938][ T2071] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 40.327870][ T2071] veth1_macvtap: left promiscuous mode [ 40.328894][ T2071] veth0_macvtap: left promiscuous mode [ 40.330071][ T2071] veth1_vlan: left promiscuous mode [ 40.331003][ T2071] veth0_vlan: left promiscuous mode [ 40.441208][ T2071] team0 (unregistering): Port device team_slave_1 removed [ 40.449657][ T2071] team0 (unregistering): Port device team_slave_0 removed [ 40.657271][ T6637] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.659503][ T6637] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.661902][ T6637] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.664231][ T6637] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.688701][ T6637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.691752][ T6637] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.693358][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.693394][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.698604][ T2617] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.698638][ T2617] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.798391][ T6637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 40.811615][ T6637] veth0_vlan: entered promiscuous mode [ 40.813054][ T6637] veth1_vlan: entered promiscuous mode [ 40.820111][ T6637] veth0_macvtap: entered promiscuous mode [ 40.820980][ T6637] veth1_macvtap: entered promiscuous mode [ 40.824234][ T6637] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 40.825359][ T6637] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 40.827317][ T2617] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.827355][ T2617] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.827374][ T2617] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.827387][ T2617] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 40.850391][ T2617] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.851911][ T2617] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.919227][ T2617] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.919254][ T2617] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 41.117019][ T6564] block nbd0: Receive control failed (result -107) [ 41.117111][ T6119] block nbd0: Receive control failed (result -107) [ 41.163710][ T6688] nbd0: detected capacity change from 0 to 32 [ 41.165071][ T6649] [ 41.165513][ T6649] ====================================================== [ 41.166527][ T6649] WARNING: possible circular locking dependency detected [ 41.167521][ T6649] syzkaller #0 Not tainted [ 41.168126][ T6649] ------------------------------------------------------ [ 41.169174][ T6649] udevd/6649 is trying to acquire lock: [ 41.169970][ T6649] ffff0000d7cb6670 (&nsock->tx_lock){+.+.}-{4:4}, at: nbd_queue_rq+0x20c/0xc48 [ 41.171420][ T6649] [ 41.171420][ T6649] but task is already holding lock: [ 41.172465][ T6649] ffff0000d9860178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xb4/0xc48 [ 41.173726][ T6649] [ 41.173726][ T6649] which lock already depends on the new lock. [ 41.173726][ T6649] [ 41.175432][ T6649] [ 41.175432][ T6649] the existing dependency chain (in reverse order) is: [ 41.176879][ T6649] [ 41.176879][ T6649] -> #6 (&cmd->lock){+.+.}-{4:4}: [ 41.177996][ T6649] __mutex_lock_common+0x1d0/0x2678 [ 41.178942][ T6649] mutex_lock_nested+0x2c/0x38 [ 41.179762][ T6649] nbd_queue_rq+0xb4/0xc48 [ 41.180548][ T6649] blk_mq_dispatch_rq_list+0x890/0x1548 [ 41.181557][ T6649] __blk_mq_sched_dispatch_requests+0xa7c/0x10e4 [ 41.182738][ T6649] blk_mq_sched_dispatch_requests+0xa4/0x154 [ 41.183813][ T6649] blk_mq_run_hw_queue+0x2d0/0x4a4 [ 41.184683][ T6649] blk_mq_dispatch_list+0xa00/0xaf8 [ 41.185616][ T6649] blk_mq_flush_plug_list+0x3a4/0x488 [ 41.186533][ T6649] __blk_flush_plug+0x330/0x408 [ 41.187439][ T6649] __submit_bio+0x3f4/0x4d8 [ 41.188322][ T6649] submit_bio_noacct_nocheck+0x390/0xaac [ 41.189363][ T6649] submit_bio_noacct+0xc94/0x177c [ 41.190244][ T6649] submit_bio+0x3b4/0x550 [ 41.191055][ T6649] submit_bh_wbc+0x3ec/0x4bc [ 41.191915][ T6649] block_read_full_folio+0x734/0x824 [ 41.192867][ T6649] blkdev_read_folio+0x28/0x38 [ 41.193787][ T6649] filemap_read_folio+0xec/0x2f8 [ 41.194709][ T6649] do_read_cache_folio+0x364/0x5bc [ 41.195680][ T6649] read_cache_folio+0x68/0x88 [ 41.196495][ T6649] read_part_sector+0xcc/0x6fc [ 41.197289][ T6649] adfspart_check_ICS+0xa0/0x83c [ 41.198163][ T6649] bdev_disk_changed+0x674/0x11fc [ 41.198959][ T6649] blkdev_get_whole+0x2b0/0x4a4 [ 41.199748][ T6649] bdev_open+0x3b0/0xc20 [ 41.200443][ T6649] blkdev_open+0x300/0x440 [ 41.201213][ T6649] do_dentry_open+0x7a4/0x10bc [ 41.202040][ T6649] vfs_open+0x44/0x2d4 [ 41.202730][ T6649] path_openat+0x2424/0x2c40 [ 41.203499][ T6649] do_filp_open+0x18c/0x36c [ 41.204212][ T6649] do_sys_openat2+0x11c/0x1b4 [ 41.205020][ T6649] __arm64_sys_openat+0x120/0x158 [ 41.205849][ T6649] invoke_syscall+0x98/0x2b8 [ 41.206669][ T6649] el0_svc_common+0x130/0x23c [ 41.207491][ T6649] do_el0_svc+0x48/0x58 [ 41.208251][ T6649] el0_svc+0x5c/0x254 [ 41.209008][ T6649] el0t_64_sync_handler+0x84/0x12c [ 41.209854][ T6649] el0t_64_sync+0x198/0x19c [ 41.210621][ T6649] [ 41.210621][ T6649] -> #5 (set->srcu){.+.+}-{0:0}: [ 41.211617][ T6649] srcu_lock_sync+0x2c/0x38 [ 41.212428][ T6649] __synchronize_srcu+0xa0/0x348 [ 41.213245][ T6649] synchronize_srcu+0x2cc/0x338 [ 41.214113][ T6649] blk_mq_quiesce_queue+0x118/0x16c [ 41.215065][ T6649] elevator_switch+0x12c/0x410 [ 41.215928][ T6649] elevator_change+0x264/0x3cc [ 41.216737][ T6649] elevator_set_default+0x138/0x21c [ 41.217684][ T6649] blk_register_queue+0x2b4/0x338 [ 41.218621][ T6649] __add_disk+0x560/0xb90 [ 41.219415][ T6649] add_disk_fwnode+0xdc/0x438 [ 41.220277][ T6649] device_add_disk+0x38/0x4c [ 41.221170][ T6649] nbd_dev_add+0x560/0x820 [ 41.221960][ T6649] nbd_init+0x15c/0x174 [ 41.222701][ T6649] do_one_initcall+0x250/0x990 [ 41.223570][ T6649] do_initcall_level+0x128/0x1c4 [ 41.224448][ T6649] do_initcalls+0x70/0xd0 [ 41.225204][ T6649] do_basic_setup+0x78/0x8c [ 41.225934][ T6649] kernel_init_freeable+0x268/0x39c [ 41.226701][ T6649] kernel_init+0x24/0x1dc [ 41.227432][ T6649] ret_from_fork+0x10/0x20 [ 41.228136][ T6649] [ 41.228136][ T6649] -> #4 (&q->elevator_lock){+.+.}-{4:4}: [ 41.229260][ T6649] __mutex_lock_common+0x1d0/0x2678 [ 41.230128][ T6649] mutex_lock_nested+0x2c/0x38 [ 41.230889][ T6649] elevator_change+0x16c/0x3cc [ 41.231719][ T6649] elevator_set_none+0x48/0xac [ 41.232585][ T6649] blk_mq_update_nr_hw_queues+0x4c8/0x15f4 [ 41.233613][ T6649] nbd_start_device+0x158/0xa48 [ 41.234460][ T6649] nbd_genl_connect+0xf88/0x158c [ 41.235273][ T6649] genl_family_rcv_msg_doit+0x1d8/0x2bc [ 41.236319][ T6649] genl_rcv_msg+0x450/0x624 [ 41.237138][ T6649] netlink_rcv_skb+0x220/0x3fc [ 41.237973][ T6649] genl_rcv+0x38/0x50 [ 41.238703][ T6649] netlink_unicast+0x694/0x8c4 [ 41.239515][ T6649] netlink_sendmsg+0x648/0x930 [ 41.240331][ T6649] ____sys_sendmsg+0x490/0x7b8 [ 41.241135][ T6649] ___sys_sendmsg+0x204/0x278 [ 41.241976][ T6649] __arm64_sys_sendmsg+0x184/0x238 [ 41.242899][ T6649] invoke_syscall+0x98/0x2b8 [ 41.243796][ T6649] el0_svc_common+0x130/0x23c [ 41.244683][ T6649] do_el0_svc+0x48/0x58 [ 41.245423][ T6649] el0_svc+0x5c/0x254 [ 41.246222][ T6649] el0t_64_sync_handler+0x84/0x12c [ 41.247132][ T6649] el0t_64_sync+0x198/0x19c [ 41.247870][ T6649] [ 41.247870][ T6649] -> #3 (&q->q_usage_counter(io)#33){++++}-{0:0}: [ 41.249153][ T6649] blk_alloc_queue+0x48c/0x54c [ 41.250032][ T6649] __blk_mq_alloc_disk+0x124/0x304 [ 41.250909][ T6649] nbd_dev_add+0x398/0x820 [ 41.251619][ T6649] nbd_init+0x15c/0x174 [ 41.252369][ T6649] do_one_initcall+0x250/0x990 [ 41.253155][ T6649] do_initcall_level+0x128/0x1c4 [ 41.253974][ T6649] do_initcalls+0x70/0xd0 [ 41.254723][ T6649] do_basic_setup+0x78/0x8c [ 41.255490][ T6649] kernel_init_freeable+0x268/0x39c [ 41.256325][ T6649] kernel_init+0x24/0x1dc [ 41.257026][ T6649] ret_from_fork+0x10/0x20 [ 41.257741][ T6649] [ 41.257741][ T6649] -> #2 (fs_reclaim){+.+.}-{0:0}: [ 41.258866][ T6649] fs_reclaim_acquire+0x8c/0x118 [ 41.259703][ T6649] __kmalloc_cache_noprof+0x58/0x3fc [ 41.260574][ T6649] virtio_transport_do_socket_init+0x60/0x2b8 [ 41.261441][ T6649] vsock_assign_transport+0x514/0x65c [ 41.262311][ T6649] vsock_connect+0x4a8/0xb94 [ 41.263090][ T6649] __sys_connect+0x2a0/0x3ac [ 41.263918][ T6649] __arm64_sys_connect+0x7c/0x94 [ 41.264640][ T6649] invoke_syscall+0x98/0x2b8 [ 41.265404][ T6649] el0_svc_common+0x130/0x23c [ 41.266285][ T6649] do_el0_svc+0x48/0x58 [ 41.267017][ T6649] el0_svc+0x5c/0x254 [ 41.267698][ T6649] el0t_64_sync_handler+0x84/0x12c [ 41.268544][ T6649] el0t_64_sync+0x198/0x19c [ 41.269178][ T6649] [ 41.269178][ T6649] -> #1 (sk_lock-AF_VSOCK){+.+.}-{0:0}: [ 41.270299][ T6649] lock_sock_nested+0x58/0x118 [ 41.271102][ T6649] vsock_shutdown+0x70/0x280 [ 41.271770][ T6649] kernel_sock_shutdown+0x6c/0x80 [ 41.272569][ T6649] nbd_mark_nsock_dead+0x2a4/0x534 [ 41.273425][ T6649] recv_work+0x1cf8/0x2044 [ 41.274238][ T6649] process_one_work+0x7e8/0x155c [ 41.274998][ T6649] worker_thread+0x958/0xed8 [ 41.275824][ T6649] kthread+0x5fc/0x75c [ 41.276511][ T6649] ret_from_fork+0x10/0x20 [ 41.277261][ T6649] [ 41.277261][ T6649] -> #0 (&nsock->tx_lock){+.+.}-{4:4}: [ 41.278369][ T6649] __lock_acquire+0x1774/0x30a4 [ 41.279121][ T6649] lock_acquire+0x14c/0x2e0 [ 41.279873][ T6649] __mutex_lock_common+0x1d0/0x2678 [ 41.280720][ T6649] mutex_lock_nested+0x2c/0x38 [ 41.281510][ T6649] nbd_queue_rq+0x20c/0xc48 [ 41.282427][ T6649] blk_mq_dispatch_rq_list+0x890/0x1548 [ 41.283300][ T6649] __blk_mq_sched_dispatch_requests+0xa7c/0x10e4 [ 41.284279][ T6649] blk_mq_sched_dispatch_requests+0xa4/0x154 [ 41.285206][ T6649] blk_mq_run_hw_queue+0x2d0/0x4a4 [ 41.285990][ T6649] blk_mq_dispatch_list+0xa00/0xaf8 [ 41.286783][ T6649] blk_mq_flush_plug_list+0x3a4/0x488 [ 41.287560][ T6649] __blk_flush_plug+0x330/0x408 [ 41.288316][ T6649] __submit_bio+0x3f4/0x4d8 [ 41.289113][ T6649] submit_bio_noacct_nocheck+0x390/0xaac [ 41.290006][ T6649] submit_bio_noacct+0xc94/0x177c [ 41.290799][ T6649] submit_bio+0x3b4/0x550 [ 41.291508][ T6649] submit_bh_wbc+0x3ec/0x4bc [ 41.292232][ T6649] block_read_full_folio+0x734/0x824 [ 41.293084][ T6649] blkdev_read_folio+0x28/0x38 [ 41.293837][ T6649] filemap_read_folio+0xec/0x2f8 [ 41.294601][ T6649] do_read_cache_folio+0x364/0x5bc [ 41.295434][ T6649] read_cache_folio+0x68/0x88 [ 41.296189][ T6649] read_part_sector+0xcc/0x6fc [ 41.296919][ T6649] adfspart_check_ICS+0xa0/0x83c [ 41.297765][ T6649] bdev_disk_changed+0x674/0x11fc [ 41.298589][ T6649] blkdev_get_whole+0x2b0/0x4a4 [ 41.299393][ T6649] bdev_open+0x3b0/0xc20 [ 41.300087][ T6649] blkdev_open+0x300/0x440 [ 41.300786][ T6649] do_dentry_open+0x7a4/0x10bc [ 41.301560][ T6649] vfs_open+0x44/0x2d4 [ 41.302226][ T6649] path_openat+0x2424/0x2c40 [ 41.302952][ T6649] do_filp_open+0x18c/0x36c [ 41.303732][ T6649] do_sys_openat2+0x11c/0x1b4 [ 41.304492][ T6649] __arm64_sys_openat+0x120/0x158 [ 41.305287][ T6649] invoke_syscall+0x98/0x2b8 [ 41.306101][ T6649] el0_svc_common+0x130/0x23c [ 41.306982][ T6649] do_el0_svc+0x48/0x58 [ 41.307712][ T6649] el0_svc+0x5c/0x254 [ 41.308397][ T6649] el0t_64_sync_handler+0x84/0x12c [ 41.309154][ T6649] el0t_64_sync+0x198/0x19c [ 41.309908][ T6649] [ 41.309908][ T6649] other info that might help us debug this: [ 41.309908][ T6649] [ 41.311458][ T6649] Chain exists of: [ 41.311458][ T6649] &nsock->tx_lock --> set->srcu --> &cmd->lock [ 41.311458][ T6649] [ 41.313289][ T6649] Possible unsafe locking scenario: [ 41.313289][ T6649] [ 41.314433][ T6649] CPU0 CPU1 [ 41.315246][ T6649] ---- ---- [ 41.316127][ T6649] lock(&cmd->lock); [ 41.316787][ T6649] lock(set->srcu); [ 41.317817][ T6649] lock(&cmd->lock); [ 41.318850][ T6649] lock(&nsock->tx_lock); [ 41.319491][ T6649] [ 41.319491][ T6649] *** DEADLOCK *** [ 41.319491][ T6649] [ 41.320782][ T6649] 3 locks held by udevd/6649: [ 41.321428][ T6649] #0: ffff0000cb58b358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xcc/0xc20 [ 41.322930][ T6649] #1: ffff0000caafc110 (set->srcu){.+.+}-{0:0}, at: srcu_lock_acquire+0x18/0x54 [ 41.324622][ T6649] #2: ffff0000d9860178 (&cmd->lock){+.+.}-{4:4}, at: nbd_queue_rq+0xb4/0xc48 [ 41.326171][ T6649] [ 41.326171][ T6649] stack backtrace: [ 41.327156][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: udevd Not tainted syzkaller #0 PREEMPT [ 41.328456][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 41.330073][ T6649] Call trace: [ 41.330613][ T6649] show_stack+0x2c/0x3c (C) [ 41.331321][ T6649] __dump_stack+0x30/0x40 [ 41.332002][ T6649] dump_stack_lvl+0xd8/0x12c [ 41.332778][ T6649] dump_stack+0x1c/0x28 [ 41.333447][ T6649] print_circular_bug+0x324/0x32c [ 41.334222][ T6649] check_noncircular+0x154/0x174 [ 41.334974][ T6649] __lock_acquire+0x1774/0x30a4 [ 41.335757][ T6649] lock_acquire+0x14c/0x2e0 [ 41.336462][ T6649] __mutex_lock_common+0x1d0/0x2678 [ 41.337358][ T6649] mutex_lock_nested+0x2c/0x38 [ 41.338172][ T6649] nbd_queue_rq+0x20c/0xc48 [ 41.338982][ T6649] blk_mq_dispatch_rq_list+0x890/0x1548 [ 41.339955][ T6649] __blk_mq_sched_dispatch_requests+0xa7c/0x10e4 [ 41.340968][ T6649] blk_mq_sched_dispatch_requests+0xa4/0x154 [ 41.341929][ T6649] blk_mq_run_hw_queue+0x2d0/0x4a4 [ 41.342763][ T6649] blk_mq_dispatch_list+0xa00/0xaf8 [ 41.343603][ T6649] blk_mq_flush_plug_list+0x3a4/0x488 [ 41.344456][ T6649] __blk_flush_plug+0x330/0x408 [ 41.345261][ T6649] __submit_bio+0x3f4/0x4d8 [ 41.345998][ T6649] submit_bio_noacct_nocheck+0x390/0xaac [ 41.346902][ T6649] submit_bio_noacct+0xc94/0x177c [ 41.347770][ T6649] submit_bio+0x3b4/0x550 [ 41.348482][ T6649] submit_bh_wbc+0x3ec/0x4bc [ 41.349235][ T6649] block_read_full_folio+0x734/0x824 [ 41.350067][ T6649] blkdev_read_folio+0x28/0x38 [ 41.350789][ T6649] filemap_read_folio+0xec/0x2f8 [ 41.351609][ T6649] do_read_cache_folio+0x364/0x5bc [ 41.352382][ T6649] read_cache_folio+0x68/0x88 [ 41.353175][ T6649] read_part_sector+0xcc/0x6fc [ 41.353959][ T6649] adfspart_check_ICS+0xa0/0x83c [ 41.354707][ T6649] bdev_disk_changed+0x674/0x11fc [ 41.355457][ T6649] blkdev_get_whole+0x2b0/0x4a4 [ 41.356278][ T6649] bdev_open+0x3b0/0xc20 [ 41.356955][ T6649] blkdev_open+0x300/0x440 [ 41.357580][ T6649] do_dentry_open+0x7a4/0x10bc [ 41.358403][ T6649] vfs_open+0x44/0x2d4 [ 41.359085][ T6649] path_openat+0x2424/0x2c40 [ 41.359849][ T6649] do_filp_open+0x18c/0x36c [ 41.360496][ T6649] do_sys_openat2+0x11c/0x1b4 [ 41.361165][ T6649] __arm64_sys_openat+0x120/0x158 [ 41.361965][ T6649] invoke_syscall+0x98/0x2b8 [ 41.362648][ T6649] el0_svc_common+0x130/0x23c [ 41.363374][ T6649] do_el0_svc+0x48/0x58 [ 41.363976][ T6649] el0_svc+0x5c/0x254 [ 41.364618][ T6649] el0t_64_sync_handler+0x84/0x12c [ 41.365315][ T6649] el0t_64_sync+0x198/0x19c